CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1963-0046
SOLRAD 6
SOLRAD 6 (NORAD 599) re-entered Earth’s atmosphere on 1 August 1963, after 1 month in orbit.
Official date
NORAD number
599
International designator
1963-021C
Object type
Spacecraft
Country
United States
Launched
15 Jun 1963Vandenberg
Re-entered (UTC)
1 Aug 1963UTC calendar day
Time in orbit
1 month47 days
How it ended
Re-entered (natural decay)
Latitude range
69.9°N to 69.9°SFinal inclination 69.9°
Mass
38 kg
Operator
NRO / NRL
Built by
NRL
Bus
NRL 24"
Programme
POPPY
Where it came down
Latitude band its orbit allowedExact position not recorded
No position was recorded for this re-entry. Its final orbit, inclined at 69.9°, allowed a re-entry anywhere between 69.9°N and 69.9°S.
Life in orbit
1 monthSOLRAD 6’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1963-021
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1963-0046
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1963-0046
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.